51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "TestSceneBase.h"
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#include <unistd.h>
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class JankyScene;
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static TestScene::Registrar _JankyScene(TestScene::Info{
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"janky",
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"A scene that intentionally janks just enough to stay in "
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"triple buffering.",
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TestScene::simpleCreateScene<JankyScene>});
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class JankyScene : public TestScene {
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public:
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sp<RenderNode> card;
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void createContent(int width, int height, Canvas& canvas) override {
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card = TestUtils::createNode(0, 0, 200, 200, [](RenderProperties& props, Canvas& canvas) {
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canvas.drawColor(0xFF0000FF, SkBlendMode::kSrcOver);
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});
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canvas.drawColor(0xFFFFFFFF, SkBlendMode::kSrcOver); // background
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canvas.drawRenderNode(card.get());
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}
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void doFrame(int frameNr) override {
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int curFrame = frameNr % 150;
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if (curFrame & 1) {
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usleep(15000);
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}
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// we animate left and top coordinates, which in turn animates width and
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// height (bottom/right coordinates are fixed)
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card->mutateStagingProperties().setLeftTop(curFrame, curFrame);
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card->setPropertyFieldsDirty(RenderNode::X | RenderNode::Y);
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}
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}; |